单项选择题
Customer Help LineRing us any day, 8:30 am — 5:30 pm.First 10 minutes free, then calls charged at local rates.The cost of calls depends on()
A. what time of day it is. B. how long they last. C. where the caller lives.
单项选择题 有关血栓的论述,错误的是().
单项选择题 患者男,23岁,咳嗽1个月,伴低热、痰中带血1周,胸片示:左肺上叶尖段炎症,伴空洞形成。最可能的诊断是().
单项选择题 患者,女,35岁,右侧腰部胀痛近1年,逆行肾盂造影显示右侧输尿管下端梗阻及右侧重度肾积水,若想了解右肾残余皮质的功能,理想的检查方法是().